Question

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Answer 1

Answer: Washing Soda helps in removing bugs from windshields.

i. When washing soda is heated then it forms sodium oxide and carbon-dioxide.

ii. Na₂CO₃(s) + Heat ⇒ Na₂O(s)+CO₂(g)

Answer 2

Answer:

Washing soda is used to remove the permanent hardness of water.

I.On heating,sodium hydrogen carbonate,Sodium carbonate, Water and carbon dioxide will form.

II. 2NaHCO3 -----Heat----> Na2CO3 + H2O + CO2

HOPE IT WILL HELP YOU ✌ ✌ ❤ ❤